# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=84

[Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md)

**Page:** 85

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## [Pulseaudio control not working in exec-node](https://discourse.nodered.org/t/pulseaudio-control-not-working-in-exec-node/90982)

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**Author:** [@Bitfriemler22](https://discourse.nodered.org/u/Bitfriemler22)\
**Replies:** 5\
**Last updated:** [15 September 2024 16:45 UTC](https://discourse.nodered.org/t/pulseaudio-control-not-working-in-exec-node/90982 "2024-09-15T16:45:08Z")

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Hi community, this is my first thread here! My hardware is a PI zero W + bullseye with a ugreen DABBoard (I2S) and blurtooth spekers. The installation I use works great and using CLI commands radio is playing from the…

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## [Debug does not show outputs](https://discourse.nodered.org/t/debug-does-not-show-outputs/90968)

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**Author:** [@sefaguntepe](https://discourse.nodered.org/u/sefaguntepe)\
**Replies:** 10\
**Last updated:** [15 September 2024 10:19 UTC](https://discourse.nodered.org/t/debug-does-not-show-outputs/90968 "2024-09-15T10:19:11Z")

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Hello, my Node-Red is working fine. However, for some reason I don't understand, it does not show any output from the debugs. However, all nodes are working. It works very rarely, for example: When I refresh the page, …

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## [Exec node - piping payload to stdin for commands](https://discourse.nodered.org/t/exec-node-piping-payload-to-stdin-for-commands/90931)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 30\
**Last updated:** [15 September 2024 08:40 UTC](https://discourse.nodered.org/t/exec-node-piping-payload-to-stdin-for-commands/90931 "2024-09-15T08:40:53Z")

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Hi There, I was trying to create a flow that simulates who | wc -l (from this question) but I realised that it's not that simple... What I wanted to do was connect to exec nodes together, one doing the who and the othe…

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## [Follow up on recent events with MQTT (3.1)](https://discourse.nodered.org/t/follow-up-on-recent-events-with-mqtt-3-1/90988)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 0\
**Last updated:** [15 September 2024 02:24 UTC](https://discourse.nodered.org/t/follow-up-on-recent-events-with-mqtt-3-1/90988 "2024-09-15T02:24:42Z")

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Just sharing what I have since discovered regarding MQTT and kept messages. (No blame is assigned to anyone. I am only telling the story.) A long time back I needed a queuing system for voice messages. Rather than u…

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## [Where am I going wrong?](https://discourse.nodered.org/t/where-am-i-going-wrong/90986)

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**Author:** [@nappyjim](https://discourse.nodered.org/u/nappyjim)\
**Replies:** 0\
**Last updated:** [15 September 2024 00:44 UTC](https://discourse.nodered.org/t/where-am-i-going-wrong/90986 "2024-09-15T00:44:53Z")

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I know I using Home Assistant, but no one there can help me. Maybe, just maybe, someone here can. Or can give me an alternate route to accomplish the same thing. In below youtube, I have removed all the other nodes and…

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## [Control Shelly Plus Plug S with "node-red-contrib-shelly" node](https://discourse.nodered.org/t/control-shelly-plus-plug-s-with-node-red-contrib-shelly-node/90973)

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**Author:** [@Flixm](https://discourse.nodered.org/u/Flixm)\
**Replies:** 3\
**Last updated:** [14 September 2024 19:31 UTC](https://discourse.nodered.org/t/control-shelly-plus-plug-s-with-node-red-contrib-shelly-node/90973 "2024-09-14T19:31:34Z")

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Hi there, i need some help cause i´m not able to find out how to control the newer version of shelly components Gen2. First of all i'm not the Java-Script expert ... more the copy&paste with try'n error. So, other (ol…

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## [Node-red x plc s7 1200](https://discourse.nodered.org/t/node-red-x-plc-s7-1200/90985)

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**Author:** [@AdrianoOPereira](https://discourse.nodered.org/u/AdrianoOPereira)\
**Replies:** 2\
**Last updated:** [14 September 2024 19:21 UTC](https://discourse.nodered.org/t/node-red-x-plc-s7-1200/90985 "2024-09-14T19:21:34Z")

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Node-RED v4.0.2 node.js v20.9.0 nó s7 plc siemens I'm using node-red as a client and s7 1200 as a server, when I press the physical button of the I0.0 input I call an endpoint to do a task but when I release my I0.0 b…

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## [Shelly Plus Add-On - command to retrieve temperature status](https://discourse.nodered.org/t/shelly-plus-add-on-command-to-retrieve-temperature-status/90959)

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**Author:** [@Frantisek](https://discourse.nodered.org/u/Frantisek)\
**Replies:** 11\
**Last updated:** [14 September 2024 08:42 UTC](https://discourse.nodered.org/t/shelly-plus-add-on-command-to-retrieve-temperature-status/90959 "2024-09-14T08:42:20Z")

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Old Shelly addon works with command msg.payload = msg.status.ext\_temperature\["1"\].tC; With the new shelly addon I would assume this command payload.temperature100.tC but it doesn't work. I've tried different variatio…

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## [Auto clear debug panel's content on deploy?](https://discourse.nodered.org/t/auto-clear-debug-panels-content-on-deploy/90963)

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**Author:** [@hbb999](https://discourse.nodered.org/u/hbb999)\
**Replies:** 6\
**Last updated:** [14 September 2024 07:28 UTC](https://discourse.nodered.org/t/auto-clear-debug-panels-content-on-deploy/90963 "2024-09-14T07:28:33Z")

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Is it possible to auto delete debug panel's content when I click on Deploy?

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## [Check availability of all sensors](https://discourse.nodered.org/t/check-availability-of-all-sensors/90939)

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**Author:** [@Kralle](https://discourse.nodered.org/u/Kralle)\
**Replies:** 5\
**Last updated:** [14 September 2024 06:18 UTC](https://discourse.nodered.org/t/check-availability-of-all-sensors/90939 "2024-09-14T06:18:37Z")

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We monitor temperatures in cold stores using Node Red and Dragino LSN50 sensors. The sensors transmit every 20 minutes. I'll add a screenshot. I would now like to monitor all sensors to see whether a payload is sent at a…

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## [Template node changing format of datetime stamp](https://discourse.nodered.org/t/template-node-changing-format-of-datetime-stamp/90947)

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**Author:** [@hobbes1069](https://discourse.nodered.org/u/hobbes1069)\
**Replies:** 3\
**Last updated:** [13 September 2024 14:10 UTC](https://discourse.nodered.org/t/template-node-changing-format-of-datetime-stamp/90947 "2024-09-13T14:10:05Z")

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I've got a flow that queries an Oracle DB and returns a datetime stamp, I'm then formatting it using a template node for ingestion into a Tulip Table node. For some reason the template node is deciding that it should ch…

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## [Node-RED Health Monitoring](https://discourse.nodered.org/t/node-red-health-monitoring/11413)

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**Author:** [@debinaik](https://discourse.nodered.org/u/debinaik)\
**Replies:** 11\
**Last updated:** [13 September 2024 08:30 UTC](https://discourse.nodered.org/t/node-red-health-monitoring/11413 "2024-09-13T08:30:18Z")

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Hi, I would like to monitor health of Node-red on 24\*7 basis using a script. Is there any flag/tags/api available in Node-red , which I can access or consume in program and keep on polling Node-red's health. Thanks

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## [The \`who\` command.... How can I see the result in NR?](https://discourse.nodered.org/t/the-who-command-how-can-i-see-the-result-in-nr/90930)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 16\
**Last updated:** [13 September 2024 07:58 UTC](https://discourse.nodered.org/t/the-who-command-how-can-i-see-the-result-in-nr/90930 "2024-09-13T07:58:11Z")

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Maybe I'm being paranoid.... :wink: I'm wanting to run the command who now and the and get the result back as something NR can handle. pi@TimePi:~ $ who pi tty1 2024-06-01 22:32 pi tty7 202…

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## [Node red failure in simple example led on](https://discourse.nodered.org/t/node-red-failure-in-simple-example-led-on/90927)

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**Author:** [@centurion\_aqp](https://discourse.nodered.org/u/centurion_aqp)\
**Replies:** 3\
**Last updated:** [13 September 2024 04:34 UTC](https://discourse.nodered.org/t/node-red-failure-in-simple-example-led-on/90927 "2024-09-13T04:34:58Z")

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Good evening everyone, please if someone could tell me why I can't do the simple example of turning on a led connected to GPIO17, when I click on the inject, the led doesn't turn on, however the console indicates the eve…

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## [Corrupted Flows?](https://discourse.nodered.org/t/corrupted-flows/90898)

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**Author:** [@ralvez](https://discourse.nodered.org/u/ralvez)\
**Replies:** 3\
**Last updated:** [12 September 2024 13:15 UTC](https://discourse.nodered.org/t/corrupted-flows/90898 "2024-09-12T13:15:05Z")

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I have, all of the sudden, an odd behaviour. My flows stopped working. Here are the flows: As you can see the Distinction counter has 1 item to process and the Graduates shows 7. It was working earlier today but out…

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## [Node red error: permission denied when installing package from palette](https://discourse.nodered.org/t/node-red-error-permission-denied-when-installing-package-from-palette/90812)

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**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 7\
**Last updated:** [12 September 2024 11:39 UTC](https://discourse.nodered.org/t/node-red-error-permission-denied-when-installing-package-from-palette/90812 "2024-09-12T11:39:04Z")

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Got node red project successfully running in docker. However, can't install new packages from palette because of file permissions. For example: ----------------------------------------------------------- 2024-09-09T10:…

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## [Unable to open project properties](https://discourse.nodered.org/t/unable-to-open-project-properties/90886)

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**Author:** [@jttjtt](https://discourse.nodered.org/u/jttjtt)\
**Replies:** 4\
**Last updated:** [12 September 2024 09:57 UTC](https://discourse.nodered.org/t/unable-to-open-project-properties/90886 "2024-09-12T09:57:53Z")

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I have problem opening Project properties in Node red. I see this error in browse console: r I have tried to open Node Red in Chrome and Edge, but the error is the same. What should I try?

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## [clearTimeout not function](https://discourse.nodered.org/t/cleartimeout-not-function/90870)

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**Author:** [@wilson2517](https://discourse.nodered.org/u/wilson2517)\
**Replies:** 7\
**Last updated:** [11 September 2024 22:02 UTC](https://discourse.nodered.org/t/cleartimeout-not-function/90870 "2024-09-11T22:02:37Z")

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Hi, I'm new here, I'm trying to use clearTimeout, but it doesn't work, I guess I'm doing something wrong. This is my code var entrada = msg.payload; var testset; if(entrada == "on"){ testset = setTimeout(function…

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## ["Error: Error: Permission denied, cannot open /dev/ttyUSB0"](https://discourse.nodered.org/t/error-error-permission-denied-cannot-open-dev-ttyusb0/90887)

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**Author:** [@Karsten](https://discourse.nodered.org/u/Karsten)\
**Replies:** 1\
**Last updated:** [11 September 2024 19:49 UTC](https://discourse.nodered.org/t/error-error-permission-denied-cannot-open-dev-ttyusb0/90887 "2024-09-11T19:49:41Z")

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Hello Community, To begin with, I would like to say that I have already read various posts on this topic, but unfortunately they have not led to success. I run Node-Red on an OpenSuseLeap 15.4. I use the node “Node-re…

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## [Stuck with a bit of code (function node) and messages](https://discourse.nodered.org/t/stuck-with-a-bit-of-code-function-node-and-messages/90827)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [11 September 2024 10:09 UTC](https://discourse.nodered.org/t/stuck-with-a-bit-of-code-function-node-and-messages/90827 "2024-09-11T10:09:00Z")

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I am sorry folks, but this is/has been going on for a while and now and as I am looking at it, I am confused. Few things happening: I have 3 outputs and I can not for the life of me see how/where the third one is made. …

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## [Do reconnect node-red-node-sqlite by event](https://discourse.nodered.org/t/do-reconnect-node-red-node-sqlite-by-event/90724)

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**Author:** [@buschhardtt](https://discourse.nodered.org/u/buschhardtt)\
**Replies:** 6\
**Last updated:** [11 September 2024 06:34 UTC](https://discourse.nodered.org/t/do-reconnect-node-red-node-sqlite-by-event/90724 "2024-09-11T06:34:20Z")

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Hallo, when I connect to a sqlite-database and I want to change the databasefile (same filename), I can not reconnect to the new file content. Is there a way to reconnect without restart nodered? Thank You

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## [Ive tried to get this flow working for Victron Multiplus](https://discourse.nodered.org/t/ive-tried-to-get-this-flow-working-for-victron-multiplus/90866)

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**Author:** [@Daz](https://discourse.nodered.org/u/Daz)\
**Replies:** 0\
**Last updated:** [10 September 2024 19:20 UTC](https://discourse.nodered.org/t/ive-tried-to-get-this-flow-working-for-victron-multiplus/90866 "2024-09-10T19:20:25Z")

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Hi i know nothing about coding but with help, I have created a Node-RED flow but it does not seem to be working as expected. Anyone out there that can help fix this? The key issues are: The event does not trigger at th…

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## [Query not being commited](https://discourse.nodered.org/t/query-not-being-commited/90869)

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**Author:** [@ralvez](https://discourse.nodered.org/u/ralvez)\
**Replies:** 0\
**Last updated:** [10 September 2024 19:39 UTC](https://discourse.nodered.org/t/query-not-being-commited/90869 "2024-09-10T19:39:04Z")

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I have a query that looks like this: INSERT INTO SHRDGIH ( SHRDGIH\_PIDM, SHRDGIH\_DGMR\_SEQ\_NO, SHRDGIH\_HONR\_CODE, SHRDGIH\_ACTIVITY\_DATE, SHRDGIH\_TRANSC\_PRT\_IND, SHRDGIH\_COMMENCE\_PRT\_IND, SHRD…

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## [Problem with Subflow Input](https://discourse.nodered.org/t/problem-with-subflow-input/90858)

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**Author:** [@Bluecharge](https://discourse.nodered.org/u/Bluecharge)\
**Replies:** 4\
**Last updated:** [10 September 2024 19:39 UTC](https://discourse.nodered.org/t/problem-with-subflow-input/90858 "2024-09-10T19:39:31Z")

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Hi, I have a problem understanding how to connect a flow with a subflow. I created a tab with an event capture, then imported a subflow with an input which is now on another tab and of course want to connect them both. …

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## [Splitting up API Oject Array](https://discourse.nodered.org/t/splitting-up-api-oject-array/90862)

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**Author:** [@ryanprel](https://discourse.nodered.org/u/ryanprel)\
**Replies:** 3\
**Last updated:** [10 September 2024 19:02 UTC](https://discourse.nodered.org/t/splitting-up-api-oject-array/90862 "2024-09-10T19:02:45Z")

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I'm looking for some help with fleshing out a flow. The background: Rapt is a company that produces digital hydrometers that float in a tank and check sugar levels that I use for monitoring fermentations in about 17 dif…

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## [Tapo in node red](https://discourse.nodered.org/t/tapo-in-node-red/90846)

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**Author:** [@Hagory85](https://discourse.nodered.org/u/Hagory85)\
**Replies:** 1\
**Last updated:** [10 September 2024 17:14 UTC](https://discourse.nodered.org/t/tapo-in-node-red/90846 "2024-09-10T17:14:55Z")

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Hello everyone, I'm trying to configure a plug in node network without success... someone who can help me, I've already downloaded the flow and nothing

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## [How to get user phone in telegram](https://discourse.nodered.org/t/how-to-get-user-phone-in-telegram/90849)

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**Author:** [@Miky8](https://discourse.nodered.org/u/Miky8)\
**Replies:** 6\
**Last updated:** [10 September 2024 14:54 UTC](https://discourse.nodered.org/t/how-to-get-user-phone-in-telegram/90849 "2024-09-10T14:54:18Z")

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I need to build a flow where the user by sending the command /register gets a button. When he press it he send his phone number.

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## [Creating an async node that uses pub/sub](https://discourse.nodered.org/t/creating-an-async-node-that-uses-pub-sub/90787)

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**Author:** [@seb](https://discourse.nodered.org/u/seb)\
**Replies:** 4\
**Last updated:** [10 September 2024 11:25 UTC](https://discourse.nodered.org/t/creating-an-async-node-that-uses-pub-sub/90787 "2024-09-10T11:25:42Z")

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Hello all, I'd like to create (or ideally use an existing one) a Node-RED node that: Receives an input. Publishes a message to either Kafka or MQTT. Listens to a topic until it receives a response to the original mess…

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## [Can not play any audio triggerd via Node Red "EXEC"](https://discourse.nodered.org/t/can-not-play-any-audio-triggerd-via-node-red-exec/90820)

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**Author:** [@FurkanVG](https://discourse.nodered.org/u/FurkanVG)\
**Replies:** 9\
**Last updated:** [10 September 2024 07:35 UTC](https://discourse.nodered.org/t/can-not-play-any-audio-triggerd-via-node-red-exec/90820 "2024-09-10T07:35:34Z")

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Hello all, I have updated my Raspi OS from Buster to Bookworm with a fresh install, and with this update, a feature in node-red has died. The feature is quite simple. I click a button on my Node-Red Dashboard, which th…

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## [Help combining string messages](https://discourse.nodered.org/t/help-combining-string-messages/90824)

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**Author:** [@LionTurtle](https://discourse.nodered.org/u/LionTurtle)\
**Replies:** 4\
**Last updated:** [10 September 2024 06:25 UTC](https://discourse.nodered.org/t/help-combining-string-messages/90824 "2024-09-10T06:25:35Z")

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I use node-red to format and send text messages to my phone (via twilio) about the status on my house and HA. As I am paying per text message I would like to combine some of the text messages using the join node. Goal …

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